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A computed torque controller for uncertain robotic manipulator systems: Fuzzy approach
Song, ZS; Yi, JQ; Zhao, DB; Li, XC
2005-09-01
发表期刊FUZZY SETS AND SYSTEMS
卷号154期号:2页码:208-226
文章类型Article
摘要Computed Torque Control (CTC) is an effective motion control strategy for robotic manipulator systems, which can ensure globally asymptotic stability. However, CTC scheme requires precise dynamical models of robotic manipulators. To handle this impossibility, in this paper, a new approach combing CTC and Fuzzy Control (FC) is developed for trajectory tracking problems of robotic manipulators with structured uncertainty and/or unstructured uncertainty. Fuzzy part with a set of tunable parameters is employed to approximate lumped uncertainty due to parameters variations, unmodeled dynamics and so on in robotic manipulators. Based on Lyapunov stability theorem, it is shown that the proposed controller can guarantee stability of closed-loop systems and satisfactory tracking performances. The proposed approach indicates that CTC method is also valid for controlling uncertain robotic manipulators as long as compensative controller is appropriately designed. Finally, computer simulation results on a two-link elbow planar robotic manipulator are presented to show tracking capability and effectiveness of the proposed scheme. (c) 2005 Elsevier B.V All rights reserved.
关键词Robotic Manipulators Computed Torque Control Fuzzy Control Fuzzy Basis Function
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]SLIDING MODE CONTROL ; APPROXIMATION ; FEEDBACK ; DESIGN
收录类别SCI
语种英语
WOS研究方向Computer Science ; Mathematics
WOS类目Computer Science, Theory & Methods ; Mathematics, Applied ; Statistics & Probability
WOS记录号WOS:000230364200003
引用统计
被引频次:74[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9122
专题09年以前成果
作者单位Chinese Acad Sci, Inst Automat, Lab Complex Syst & Intelligence Sci, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714
Song, ZS,Yi, JQ,Zhao, DB,et al. A computed torque controller for uncertain robotic manipulator systems: Fuzzy approach[J]. FUZZY SETS AND SYSTEMS,2005,154(2):208-226.
APA Song, ZS,Yi, JQ,Zhao, DB,&Li, XC.(2005).A computed torque controller for uncertain robotic manipulator systems: Fuzzy approach.FUZZY SETS AND SYSTEMS,154(2),208-226.
MLA Song, ZS,et al."A computed torque controller for uncertain robotic manipulator systems: Fuzzy approach".FUZZY SETS AND SYSTEMS 154.2(2005):208-226.
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